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In a discussion person A is talking 1.6 dB louder than personB, and person C is

ID: 1676938 • Letter: I

Question

In a discussion person A is talking 1.6 dB louder than personB, and person C is talking 3.3 dB louder than person A. What is theratio of the sound intensity of person C to the sound intensity ofperson B? I got a value of 5.28 after following the cramster tutorialbut it is wrong In a discussion person A is talking 1.6 dB louder than personB, and person C is talking 3.3 dB louder than person A. What is theratio of the sound intensity of person C to the sound intensity ofperson B? I got a value of 5.28 after following the cramster tutorialbut it is wrong

Explanation / Answer

1.6 = 10 log A /B          A talkinglouder than B 3.3 = 10 log C /A         C talking louderthan A 1.6 = log (A / B)10 3.3 = log (C / A)10 101.6 = (A / B)10 103.3 = (C / A)10 101.6 * 103.3 = (C /B)10 104.9 = (C / B)10 4.9 = 10 log (C / B) 4.9 = 10 log (C / B)